Finding the Third Proportional to 721,035 and 1,669,152

Step by Step Solution

1. Step 1: Write the proportion equation
   721,035 : 1,669,152 = 1,669,152 : x
2. Step 2: Convert to fraction form
   721,035/1,669,152 = 1,669,152/x
3. Step 3: Cross multiply
   721,035x = 1,669,152 × 1,669,152
4. Step 4: Simplify right side
   721,035x = 2,786,068,399,104
5. Step 5: Solve for x
   x = 2,786,068,399,104/721,035
6. Step 6: Final answer
   x = 3,863,984.96